37Useful InformationFor assistance, please call: 1-800-211-PANA(7262)This device complies with Part 15 of the FCC Rules. Operation is subject to thefollowing two conditions:(1) This device may not cause harmful interference, and (2) this device mustaccept any interference received, including interference that may cause undesiredoperation.CAUTION:Any changes or modifications not expressly approved by the party responsible forcompliance could void the user’s authority to operate this device.Note:This equipment has been tested and found to comply with the limits for a Class Bdigital device, pursuant to Part 15 of the FCC Rules. These limits are designed toprovide reasonable protection against harmful interference in a residentialinstallation. This equipment generates, uses, and can radiate radio frequencyenergy and, if not installed and used in accordance with the instructions, maycause harmful interference to radio communications. However, there is noguarantee that interference will not occur in a particular installation. If thisequipment does cause harmful interference to radio or television reception, whichcan be determined by turning the equipment off and on, the user is encouraged totry to correct the interference by one or more of the following measures:—Reorient or relocate the receiving antenna.—Increase the separation between the equipment and receiver.—Connect the equipment into an outlet on a circuit different from that to which thereceiver is connected.—Consult the dealer or an experienced radio/TV technician for help.A FCC compliant telephone cord and modular plug is provided with thisequipment. This equipment is designed to be connected to the telephone networkor premises wiring using a compatible modular jack that is Part 68 compliant.≥Environment—do not place the unit in a room where the temperature is lessthan 5oC (41oF) or greater than 40oC (104oF). Allow 10 cm (4q) clearance aroundthe unit for proper ventilation. Avoid excessive smoke, dust, mechanicalvibration, shock, or direct sunlight.≥Routine care—wipe the unit with a soft cloth. Do not use benzine, thinner, orany abrasive powder.≥If there is any trouble—disconnect the unit from the telephone line and connecta known working phone. If the known working phone operates properly, haveyour unit repaired by one of the authorized Panasonic Factory Service Centers.If the known working phone does not operate properly, consult your telephonecompany.